// == Opciones BONE: toggle Retiro ==
add_action('admin_menu', function() {
    add_menu_page('Opciones BONE', 'Opciones BONE', 'manage_options', 'bone-opciones', 'bone_opciones_page', 'dashicons-store', 58);
});
function bone_opciones_page() {
    if (isset($_POST['bone_save']) && check_admin_referer('bone_save_action', 'bone_nonce')) {
        set_theme_mod('bone_pickup_enabled', isset($_POST['bone_pickup_enabled']) ? '1' : '0');
        echo '<div class="notice notice-success"><p><strong>Guardado correctamente.</strong></p></div>';
    }
    $on = get_theme_mod('bone_pickup_enabled', '1') === '1';
    $checked = $on ? ' checked' : '';
    echo '<div class="wrap"><h1>Opciones BONE</h1>';
    echo '<form method="post">';
    wp_nonce_field('bone_save_action', 'bone_nonce');
    echo '<table class="form-table"><tr>';
    echo '<th scope="row">Retiro en local</th>';
    echo '<td><label><input type="checkbox" name="bone_pickup_enabled" value="1"' . $checked . '> ';
    echo 'Habilitar la opcion "Retiro" en el checkout</label>';
    echo '<p class="description">Tildado = los clientes pueden retirar en local. Destildado = solo envio.</p>';
    echo '</td></tr></table>';
    echo '<p><input type="submit" name="bone_save" class="button button-primary button-large" value="Guardar cambios"></p>';
    echo '</form></div>';
}
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